Finding the Fourth Proportional to 2,250.72, 3,376.12 and 789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.72 : 3,376.12 = 789.88 : x
2. Step 2: Convert to fraction form
   2,250.72/3,376.12 = 789.88/x
3. Step 3: Cross multiply
   2,250.72x = 3,376.12 × 789.88
4. Step 4: Simplify right side
   2,250.72x = 2,666,729.67
5. Step 5: Solve for x
   x = 2,666,729.67/2,250.72
6. Step 6: Final answer
   x = 1,184.83